#ifndef BASE_GUNIT_H_
#define BASE_GUNIT_H_

#include "logging.h"
#include "thread.h"
#if defined(ANDROID) || defined(GTEST_RELATIVE_PATH)
#include "gtest/gtest.h"
#else
#include "testing/base/public/gunit.h"
#endif

// forward declarations
namespace base {
	class Pathname;
}

// Wait until "ex" is true, or "timeout" expires.
#define WAIT(ex, timeout) \
	for (uint32 start = talk_base::Time(); \
	!(ex) && talk_base::Time() < start + timeout;) \
	talk_base::Thread::Current()->ProcessMessages(1);

// This returns the result of the test in res, so that we don't re-evaluate
// the expression in the XXXX_WAIT macros below, since that causes problems
// when the expression is only true the first time you check it.
#define WAIT_(ex, timeout, res) \
	do { \
	uint32 start = talk_base::Time(); \
	res = (ex); \
	while (!res && talk_base::Time() < start + timeout) { \
	talk_base::Thread::Current()->ProcessMessages(1); \
	res = (ex); \
	} \
	} while (0);

// The typical EXPECT_XXXX and ASSERT_XXXXs, but done until true or a timeout.
#define EXPECT_TRUE_WAIT(ex, timeout) \
	do { \
	bool res; \
	WAIT_(ex, timeout, res); \
	if (!res) EXPECT_TRUE(ex); \
	} while (0);

#define EXPECT_EQ_WAIT(v1, v2, timeout) \
	do { \
	bool res; \
	WAIT_(v1 == v2, timeout, res); \
	if (!res) EXPECT_EQ(v1, v2); \
	} while (0);

#define ASSERT_TRUE_WAIT(ex, timeout) \
	do { \
	bool res; \
	WAIT_(ex, timeout, res); \
	if (!res) ASSERT_TRUE(ex); \
	} while (0);

#define ASSERT_EQ_WAIT(v1, v2, timeout) \
	do { \
	bool res; \
	WAIT_(v1 == v2, timeout, res); \
	if (!res) ASSERT_EQ(v1, v2); \
	} while (0);

// Version with a "soft" timeout and a margin. This logs if the timeout is
// exceeded, but it only fails if the expression still isn't true after the
// margin time passes.
#define EXPECT_TRUE_WAIT_MARGIN(ex, timeout, margin) \
	do { \
	bool res; \
	WAIT_(ex, timeout, res); \
	if (res) { \
	break; \
	} \
	LOG(LS_WARNING) << "Expression " << #ex << " still not true after " << \
	timeout << "ms; waiting an additional " << margin << "ms"; \
	WAIT_(ex, margin, res); \
	if (!res) { \
	EXPECT_TRUE(ex); \
	} \
	} while (0);

base::Pathname GetTalkDirectory();

#endif  // BASE_GUNIT_H_
